The light source is a single white LED bulb with a 50 lumen output. The flashlight consists of two separate pieces; a base that attaches to your keychain and the actual flashlight. They're ...

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Center for Alloy Innovation and Design, State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an, 710049, China ...

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Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...